// Copyright 2022 Matrix Origin
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package morpc

import (
	"github.com/pierrec/lz4/v4"
)

func compress(src, dst []byte) ([]byte, error) {
	var c lz4.Compressor
	n, err := c.CompressBlock(src, dst)
	if err != nil {
		return nil, err
	}
	if n == 0 {
		panic("BUG")
	}
	return dst[:n], nil
}

func uncompress(src, dst []byte) ([]byte, error) {
	n, err := lz4.UncompressBlock(src, dst)
	if err != nil {
		return nil, err
	}
	return dst[:n], nil
}
